LS
Lawrence Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mayes-County, Oklahoma
Our Model Tree links this Lawrence Smith across the 1920, 1930 and 1940 US Censuses in Mayes-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Jake & Eliza — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mayes-County, Oklahoma |
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Hogan Township |
| 1935 Residence (County) | Mayes |
| Additional Details | |
| Occupation | laborer |
| Industry | steam railroad track maintenance |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Laborer |
| Township / Ward | Hogan Township |
| Est. Birth Year | ~1912 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Eliza Smith | Head | — | 57 | ~1883 |
| Murray Smith | Son | — | 27 | ~1913 |
| Cecil Smith | Son | — | 15 | ~1925 |
| Carl Smith | Son | — | 16 | ~1924 |
| Lawrence Smith | Son | — | 28 | ~1912 |
Census Appearances
1920
Mayes, Oklahoma
Son, age 8
Mayes, Oklahoma · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Mayes, Oklahoma
Son, age 18
Mayes, Oklahoma · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Mayes-County, Oklahoma
Son, age 28
Mayes-County, Oklahoma · implied b. ~1912 — 5 household members
| Surname | Smith |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Hogan Township |
| 1935 Residence (County) | Mayes |
| Occupation | laborer |
| Industry | steam railroad track maintenance |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 52 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Lawrence Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jake Smith (~0.92 confidence) and mother Eliza Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jake Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Eliza Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Smith
Son · 1940 · age 28 · b. ~1912 · Oklahoma
★ You are viewing this record
Sibling
Cecil Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Murray Smith
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mayes-County, Oklahoma
Open full size
1940 US Federal Census — Mayes-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03311-00538)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eliza Smith | 57 | Head | Farmer | Arkansas |
| 2 | Murray Smith | 27 | Son | Laborer | Oklahoma |
| 3 | Carl Smith | 16 | Son | — | Oklahoma |
| 4 | Cecil Smith | 15 | Son | Laborer | Oklahoma |
| 5 | Lawrence Smith THIS PERSON | 28 | Son | Laborer | Oklahoma |
| 6 | A. B. Garner | 35 | Head | Farmer | Arkansas |
| 7 | Earia Garner | 35 | Wife | — | Oklahoma |
| 8 | Ethel Garner | 13 | Daughter | — | Oklahoma |
| 9 | James Garner | 9 | Son | — | Oklahoma |
| 10 | William Garner | 7 | Son | — | Oklahoma |
| 11 | Verlyn Garner | 6 | Son | — | Oklahoma |
| 12 | Imogene Garner | 4 | Daughter | — | Oklahoma |
| 13 | Alvin Garner | 1 | Son | — | Oklahoma |
| 14 | Susie Garner | 12 | Daughter | — | Oklahoma |
| 15 | John F. Mckinney | 77 | Head | Farmer | Missouri |
| 16 | Estama Mckinney | 73 | Wife | — | Missouri |
| 17 | Loyd Mckinney | 36 | Son | Farmer | Missouri |
| 18 | Arlie Arms | 54 | Head | Farmer | Tennessee |
| 19 | Della Arms | 49 | Wife | — | Missouri |
| 20 | Delores Arms | 13 | Daughter | — | Oklahoma |
| 21 | Betty L. Arms | 11 | Daughter | — | Oklahoma |
| 22 | Logan Jones | 38 | Head | Common Labor | Arkansas |
| 23 | Mabel Jones | 30 | Wife | — | Oklahoma |
| 24 | Marlow Jones | 8 | Son | — | Oklahoma |
| 25 | Mildred Jones | 5 | Daughter | — | Oklahoma |
| 26 | Rosetta Jones | 2 | Daughter | — | Oklahoma |
| 27 | Norma Jones | 12 | Daughter | — | Oklahoma |
| 28 | Floyd Caskey | 33 | Head | Cook | Oklahoma |
| 29 | Bessie Caskey | 21 | Wife | — | Oklahoma |
| 30 | Wilma Caskey | 1 | Daughter | — | Oklahoma |
| 31 | Berta Sinor | 54 | Head | — | Missouri |
| 32 | Judon Sinor | 22 | Son | Farm Labor | Oklahoma |
| 33 | Edward Sinor | 19 | Son | Comm Labor | Oklahoma |
| 34 | Roy Sinor | 17 | Son | Farm Labor | Oklahoma |
| 35 | Billy Sinor | 13 | Son | — | Oklahoma |
| 36 | Leon Sinor | 32 | Son | Camp Waiter Steel Worker | Arkansas |
| 37 | Verbie Sinor | 24 | Daughter-in-law | — | Missouri |
| 38 | Billie M. Sinor | 6 | Daughter | — | Oklahoma |
| 39 | Lester Littlefield | 52 | Head | Common Labor | Oklahoma |
| 40 | Wilma Littlefield | 30 | Wife | — | Oklahoma |
Pedigree Summary
Lawrence + 3 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)